Re: Will this stock stroke 440 make 700hp?
[Re: 451Mopar]
#2719417
11/26/19 11:05 AM
11/26/19 11:05 AM
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Joined: Jan 2003
Posts: 13,360 Marion, South Carolina [><]
an8sec70cuda
I Live Here
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I Live Here
Joined: Jan 2003
Posts: 13,360
Marion, South Carolina [><]
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With a 5,000 Stall converter who cares about low end grunt I know what you're saying , but I'd expect a 5,000 stall to be too tight for this motor. My old 446" used a 5k stall w/ smaller heads and a lot less cam.
CHIP '70 hemicuda, 575" Hemi, 727, Dana 60 '69 road runner, 440-6, 18 spline 4 speed, Dana 60 '71 Demon, 340, low gear 904, 8.75 '73 Chrysler New Yorker, 440, 727, 8.75 '90 Chevy 454SS Silverado, 476" BBC, TH400, 14 bolt '06 GMC 2500HD LBZ Duramax
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Re: Will this stock stroke 440 make 700hp?
[Re: Jonny440]
#2719426
11/26/19 11:43 AM
11/26/19 11:43 AM
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Joined: Jul 2004
Posts: 19,317 State of confusion
Thumperdart
I Live Here
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I Live Here
Joined: Jul 2004
Posts: 19,317
State of confusion
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Seems reasonable and my 470 junk loves my .680-.660 276-281 @ .050 ISKY solid roller both street and strip for many trouble free years in the 9's and a blast to drive.....
72 Dart 470 n/a BB stroker street car `THUMPER`...Check me out on FB Dominic Thumper for videos and lots of carb pics......760-900-3895.....
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Re: Will this stock stroke 440 make 700hp?
[Re: MoonshineMattK]
#2719441
11/26/19 12:25 PM
11/26/19 12:25 PM
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Joined: Feb 2005
Posts: 20,172 PA.
pittsburghracer
"Little"John
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"Little"John
Joined: Feb 2005
Posts: 20,172
PA.
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Am I crazy or is 7000rpm with a stock 440 block going to crack the mains? In over 20 years of running 8.60’s-10.40’s I cracked one block and that one was a 500 inch Stroker engine with 440source billet main caps. No concrete, no girdle. Now I did crack several 440 forged cranks and got to the point if I got 3 years out of them they went on my scrap pile
1970 Duster Edelbrock headed 408 5.984@112.52 422 Indy headed small block 5.982@112.56 mph 9.42@138.27
Livin and lovin life one day at a time
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Re: Will this stock stroke 440 make 700hp?
[Re: MoonshineMattK]
#2719453
11/26/19 01:11 PM
11/26/19 01:11 PM
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Joined: Aug 2003
Posts: 43,157 Bend,OR USA
Cab_Burge
I Win
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I Win
Joined: Aug 2003
Posts: 43,157
Bend,OR USA
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Am I crazy or is 7000rpm with a stock 440 block going to crack the mains? Probably not, especially with a good balanced rotating crank assembly and a decent tune. Detonation is the major cause of cracking the main webbing in 440 blocks, not RPM
Mr.Cab Racing and winning with Mopars since 1964. (Old F--t, Huh)
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Re: Will this stock stroke 440 make 700hp?
[Re: an8sec70cuda]
#2719486
11/26/19 02:58 PM
11/26/19 02:58 PM
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Joined: Mar 2006
Posts: 9,835 MI, usa
dvw
master
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master
Joined: Mar 2006
Posts: 9,835
MI, usa
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I would have never bet that my 15-1 comp 572 would need a 6100 converter. 5700 was to tight. Unless you're talking Q16 there us no reason to run C16. I've had zero issues with Renegade 114. Doug
Last edited by dvw; 11/26/19 03:27 PM.
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Re: Will this stock stroke 440 make 700hp?
[Re: dvw]
#2719489
11/26/19 03:14 PM
11/26/19 03:14 PM
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Joined: Jan 2003
Posts: 15,439 Val-haul-ass... eventually
BradH
Taking time off to work on my car
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Taking time off to work on my car
Joined: Jan 2003
Posts: 15,439
Val-haul-ass... eventually
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Question: Assuming two engines make the same peak HP, what's more stressful on a bottom end? a) 7500 RPM with a 3.75 stroke (451) b) 6500 RPM with a 4.25 stroke (511) Not meant to be a quiz; I'm curious about what's more likely to put the hurt to a marginal block.
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Re: Will this stock stroke 440 make 700hp?
[Re: BradH]
#2719509
11/26/19 04:26 PM
11/26/19 04:26 PM
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Joined: Jan 2003
Posts: 2,296 NE Ohio
DoubleD
top fuel
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top fuel
Joined: Jan 2003
Posts: 2,296
NE Ohio
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Question: Assuming two engines make the same peak HP, what's more stressful on a bottom end? a) 7500 RPM with a 3.75 stroke (451) b) 6500 RPM with a 4.25 stroke (511) Not meant to be a quiz; I'm curious about what's more likely to put the hurt to a marginal block. Personally I think bob-weight will play a bigger hand than stroke - in the last 511 I built - we got the bob weight below 2200 grams using the 7.1 rod and a 4.25 crank in an stock RB block - I also believe in aluminum main caps. The first 511 stroker I built with stock rod journal and rod length had a bob-weight of almost 2500 grams - it beat the stock main caps to death even with studs. If its a light weight assembly and well balanced and not running into detonation- 7500 RPM does not seem to make much difference
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Re: Will this stock stroke 440 make 700hp?
[Re: BradH]
#2719515
11/26/19 05:04 PM
11/26/19 05:04 PM
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Joined: Jun 2006
Posts: 5,161 CT
GTX MATT
master
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master
Joined: Jun 2006
Posts: 5,161
CT
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I guess this is probably a dumb question, but can you calculate the max piston speed without knowing the rod length?
Also I think what really matters is max accel/decel
Now I need to pin those needles, got to feel that heat Hear my motor screamin while I'm tearin up the street
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